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Molecular formula

C21H20FN3O3

115 compounds have this formula on CompoundList.

Molar mass
381.41g/mol
Monoisotopic mass
381.1489Da
Atoms
48
Elements
5
Rings plus double bonds
13

The formula C21H20FN3O3 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 3 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 2166.13%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.29%
    1.008 × 20 = 20.160 g/mol
  • F Fluorine × 14.98%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 311.02%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 312.58%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H20FN3O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 101 to 115 of 115 compounds

N-Benzyl-N-ethyl-1-(4-fluorophenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carboxamide chemical structure, C21H20FN3O3, CAS 921793-02-4
N-Benzyl-N-ethyl-1-(4-fluorophenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carboxamide
CAS 921793-02-4C21H20FN3O3
N-(4-Fluorophenyl)-2-(8-methoxy-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide chemical structure, C21H20FN3O3, CAS 1251579-13-1
N-(4-Fluorophenyl)-2-(8-methoxy-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide
CAS 1251579-13-1C21H20FN3O3
Methyl (4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)benzyl)(methyl)carbamate chemical structure, C21H20FN3O3, CAS 880160-69-0
Methyl (4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)benzyl)(methyl)carbamate
CAS 880160-69-0C21H20FN3O3
6-(2-Fluorophenyl)-9,9-dimethyl-2-nitro-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one chemical structure, C21H20FN3O3, CAS 1023540-29-5
6-(2-Fluorophenyl)-9,9-dimethyl-2-nitro-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one
CAS 1023540-29-5C21H20FN3O3
3-Benzyl-8-(4-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione chemical structure, C21H20FN3O3, CAS 942006-41-9
3-Benzyl-8-(4-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione
CAS 942006-41-9C21H20FN3O3
8-(2-Fluorobenzoyl)-3-(3-methoxyphenyl)-1,4,8-triazaspiro[4.5]dec-3-en-2-one chemical structure, C21H20FN3O3, CAS 951526-36-6
8-(2-Fluorobenzoyl)-3-(3-methoxyphenyl)-1,4,8-triazaspiro[4.5]dec-3-en-2-one
CAS 951526-36-6C21H20FN3O3
3-Benzyl-8-(3-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione chemical structure, C21H20FN3O3, CAS 1021040-04-9
3-Benzyl-8-(3-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione
CAS 1021040-04-9C21H20FN3O3
N-[3-(1,3-Benzodioxol-5-yl)-5-propyl-1H-pyrazol-4-yl]-4-fluorobenzeneacetamide chemical structure, C21H20FN3O3, CAS 1239460-54-8
N-[3-(1,3-Benzodioxol-5-yl)-5-propyl-1H-pyrazol-4-yl]-4-fluorobenzeneacetamide
CAS 1239460-54-8C21H20FN3O3
Ethyl 1-(2-((3'-fluoro-[1,1'-biphenyl]-3-yl)amino)-2-oxoethyl)-5-methyl-1H-imidazole-4-carboxylate chemical structure, C21H20FN3O3, CAS 2177263-24-8
Ethyl 1-(2-((3'-fluoro-[1,1'-biphenyl]-3-yl)amino)-2-oxoethyl)-5-methyl-1H-imidazole-4-carboxylate
CAS 2177263-24-8C21H20FN3O3
5-[1-(3-Fluoro-4-methoxybenzoyl)pyrrolidin-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole chemical structure, C21H20FN3O3, CAS 1795293-49-0
5-[1-(3-Fluoro-4-methoxybenzoyl)pyrrolidin-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole
CAS 1795293-49-0C21H20FN3O3
3-(4-Fluorophenyl)-5-{1-[(3-methylphenoxy)acetyl]pyrrolidin-2-yl}-1,2,4-oxadiazole chemical structure, C21H20FN3O3, CAS 1789050-93-6
3-(4-Fluorophenyl)-5-{1-[(3-methylphenoxy)acetyl]pyrrolidin-2-yl}-1,2,4-oxadiazole
CAS 1789050-93-6C21H20FN3O3
3-(4-Fluorophenyl)-5-{1-[(2-methoxyphenyl)acetyl]pyrrolidin-2-yl}-1,2,4-oxadiazole chemical structure, C21H20FN3O3, CAS 1788671-25-9
3-(4-Fluorophenyl)-5-{1-[(2-methoxyphenyl)acetyl]pyrrolidin-2-yl}-1,2,4-oxadiazole
CAS 1788671-25-9C21H20FN3O3
5-[1-(2-Ethoxybenzoyl)pyrrolidin-2-yl]-3-(4-fluorophenyl)-1,2,4-oxadiazole chemical structure, C21H20FN3O3, CAS 1791407-60-7
5-[1-(2-Ethoxybenzoyl)pyrrolidin-2-yl]-3-(4-fluorophenyl)-1,2,4-oxadiazole
CAS 1791407-60-7C21H20FN3O3
5-{1-[(4-Fluorophenyl)acetyl]pyrrolidin-2-yl}-3-(4-methoxyphenyl)-1,2,4-oxadiazole chemical structure, C21H20FN3O3, CAS 1787977-23-4
5-{1-[(4-Fluorophenyl)acetyl]pyrrolidin-2-yl}-3-(4-methoxyphenyl)-1,2,4-oxadiazole
CAS 1787977-23-4C21H20FN3O3
Orb3211157 chemical structure, C21H20FN3O3, CAS 2341935-88-2
Orb3211157
CAS 2341935-88-2C21H20FN3O3

Frequently asked questions

What is the molar mass of C21H20FN3O3?

The molar mass of C21H20FN3O3 is 381.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 381.1489 Da.

How many compounds have the formula C21H20FN3O3?

CompoundList lists 115 compounds with the molecular formula C21H20FN3O3, including N-Benzyl-N-ethyl-1-(4-fluorophenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carboxamide, N-(4-Fluorophenyl)-2-(8-methoxy-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide, Methyl (4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)benzyl)(methyl)carbamate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C21H20FN3O3?

C21H20FN3O3 has a degree of unsaturation of 13. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.